APA Citatie

Allan, L. D., Tynan, M. J., Campbell, S., Wilkinson, J. L., & Anderson, R. H. (1980). Echocardiographic and anatomical correlates in the fetus.

Chicago Style citaat

Allan, L D., M J. Tynan, S. Campbell, J L. Wilkinson, en R H. Anderson. Echocardiographic and Anatomical Correlates in the Fetus. 1980.

MLA citatie

Allan, L D., et al. Echocardiographic and Anatomical Correlates in the Fetus. 1980.